gendispatch: warn for deprecated alias if the deprecated function has implemation

2 files changed, 79 insertions, 1 deletions

diff --git a/src/nvim/CMakeLists.txt b/src/nvim/CMakeLists.txt
index 2b29482a13..7c2c2feebc 100644
--- a/src/nvim/CMakeLists.txt
+++ b/src/nvim/CMakeLists.txt
@@ -204,11 +204,12 @@ add_custom_command(OUTPUT ${GENERATED_UNICODE_TABLES}
 )
 
 add_custom_command(OUTPUT ${GENERATED_API_DISPATCH} ${API_METADATA}
-    COMMAND ${LUA_PRG} ${DISPATCH_GENERATOR} ${PROJECT_SOURCE_DIR}/scripts ${API_HEADERS} ${GENERATED_API_DISPATCH} ${API_METADATA}
+    COMMAND ${LUA_PRG} ${DISPATCH_GENERATOR} ${CMAKE_CURRENT_LIST_DIR} ${API_HEADERS} ${GENERATED_API_DISPATCH} ${API_METADATA}
   DEPENDS
     ${API_HEADERS}
     ${MSGPACK_RPC_HEADERS}
     ${DISPATCH_GENERATOR}
+    ${CMAKE_CURRENT_LIST_DIR}/api/dispatch_deprecated.lua
 )
 
 list(APPEND NEOVIM_GENERATED_SOURCES
diff --git a/src/nvim/api/dispatch_deprecated.lua b/src/nvim/api/dispatch_deprecated.lua
new file mode 100644
index 0000000000..f3b299e3fc
--- /dev/null
+++ b/src/nvim/api/dispatch_deprecated.lua
@@ -0,0 +1,77 @@
+local deprecated_aliases = {
+  nvim_buf_line_count="buffer_line_count",
+  nvim_buf_get_lines="buffer_get_lines",
+  nvim_buf_set_lines="buffer_set_lines",
+  nvim_buf_get_var="buffer_get_var",
+  nvim_buf_set_var="buffer_set_var",
+  nvim_buf_del_var="buffer_del_var",
+  nvim_buf_get_option="buffer_get_option",
+  nvim_buf_set_option="buffer_set_option",
+  nvim_buf_get_number="buffer_get_number",
+  nvim_buf_get_name="buffer_get_name",
+  nvim_buf_set_name="buffer_set_name",
+  nvim_buf_is_valid="buffer_is_valid",
+  nvim_buf_get_mark="buffer_get_mark",
+  nvim_buf_add_highlight="buffer_add_highlight",
+  nvim_buf_clear_highlight="buffer_clear_highlight",
+  nvim_tabpage_get_windows="tabpage_get_windows",
+  nvim_tabpage_get_var="tabpage_get_var",
+  nvim_tabpage_set_var="tabpage_set_var",
+  nvim_tabpage_del_var="tabpage_del_var",
+  nvim_tabpage_get_window="tabpage_get_window",
+  nvim_tabpage_is_valid="tabpage_is_valid",
+  nvim_ui_detach="ui_detach",
+  nvim_ui_try_resize="ui_try_resize",
+  nvim_command="vim_command",
+  nvim_feedkeys="vim_feedkeys",
+  nvim_input="vim_input",
+  nvim_replace_termcodes="vim_replace_termcodes",
+  nvim_command_output="vim_command_output",
+  nvim_eval="vim_eval",
+  nvim_call_function="vim_call_function",
+  nvim_strwidth="vim_strwidth",
+  nvim_list_runtime_paths="vim_list_runtime_paths",
+  nvim_change_directory="vim_change_directory",
+  nvim_get_var="vim_get_var",
+  nvim_set_var="vim_set_var",
+  nvim_del_var="vim_del_var",
+  nvim_get_vvar="vim_get_vvar",
+  nvim_get_option="vim_get_option",
+  nvim_set_option="vim_set_option",
+  nvim_out_write="vim_out_write",
+  nvim_err_write="vim_err_write",
+  nvim_report_error="vim_report_error",
+  nvim_get_buffers="vim_get_buffers",
+  nvim_get_current_buffer="vim_get_current_buffer",
+  nvim_set_current_buffer="vim_set_current_buffer",
+  nvim_get_windows="vim_get_windows",
+  nvim_get_current_window="vim_get_current_window",
+  nvim_set_current_window="vim_set_current_window",
+  nvim_get_tabpages="vim_get_tabpages",
+  nvim_get_current_tabpage="vim_get_current_tabpage",
+  nvim_set_current_tabpage="vim_set_current_tabpage",
+  nvim_set_current_line="vim_set_current_line",
+  nvim_get_current_line="vim_get_current_line",
+  nvim_del_current_line="vim_del_current_line",
+  nvim_subscribe="vim_subscribe",
+  nvim_unsubscribe="vim_unsubscribe",
+  nvim_name_to_color="vim_name_to_color",
+  nvim_get_color_map="vim_get_color_map",
+  nvim_get_api_info="vim_get_api_info",
+  nvim_win_get_buffer="window_get_buffer",
+  nvim_win_get_cursor="window_get_cursor",
+  nvim_win_set_cursor="window_set_cursor",
+  nvim_win_get_height="window_get_height",
+  nvim_win_set_height="window_set_height",
+  nvim_win_get_width="window_get_width",
+  nvim_win_set_width="window_set_width",
+  nvim_win_get_var="window_get_var",
+  nvim_win_set_var="window_set_var",
+  nvim_win_del_var="window_del_var",
+  nvim_win_get_option="window_get_option",
+  nvim_win_set_option="window_set_option",
+  nvim_win_get_position="window_get_position",
+  nvim_win_get_tabpage="window_get_tabpage",
+  nvim_win_is_valid="window_is_valid"
+}
+return deprecated_aliases